fix(learn): Change demo urls on various backend projects (#39688)

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/american-british-translator.md

@@ -6,7 +6,7 @@ challengeType: 4
 
 ## Description
 <section id='description'>
-Build a full stack JavaScript app that is functionally similar to this: <a href="https://americanbritish-english-translator--freecodecamp.repl.co/" target="_blank">https://americanbritish-english-translator--freecodecamp.repl.co/</a>.
+Build a full stack JavaScript app that is functionally similar to this: <a href="https://american-british-translator.freecodecamp.rocks/" target="_blank">https://american-british-translator.freecodecamp.rocks/</a>.
 
 Working on this project will involve you writing your code on Repl.it on our starter project. After completing this project you can copy your public Repl.it URL (to the homepage of your app) into this screen to test it! Optionally you may choose to write your project on another platform but it must be publicly visible for our testing.
 
@@ -23,6 +23,11 @@ Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp
 
 ```yml
 tests:
+  - text: I can provide my own project, not the example URL.
+    testString: |
+      getUserInput => {
+        assert(!/.*\/american-british-translator\.freecodecamp\.rocks/.test(getUserInput('url')));
+      }
   - text: I can enter a simple sentence into the text area and select whether to translate to British or American English from the dropdown menu.
     testString: ''
   - text: When the "Translate" button is pressed, append the translated sentence to the <code>translated-sentence</code> <code>div</code>. See the JavaScript files in <code>/public</code> for the different spelling and terms your application should translate.

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/issue-tracker.md

@@ -7,7 +7,7 @@ forumTopicId: 301569
 
 ## Description
 <section id='description'>
-Build a full stack JavaScript app that is functionally similar to this: <a href="https://issue-tracker--freecodecamp.repl.co/" target="_blank">https://issue-tracker--freecodecamp.repl.co/</a>.
+Build a full stack JavaScript app that is functionally similar to this: <a href="https://issue-tracker.freecodecamp.rocks/" target="_blank">https://issue-tracker.freecodecamp.rocks/</a>.
 Working on this project will involve you writing your code on Repl.it on our starter project. After completing this project you can copy your public Repl.it URL (to the homepage of your app) into this screen to test it! Optionally you may choose to write your project on another platform but it must be publicly visible for our testing.
 Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp/boilerplate-project-issuetracker">this link</a> or clone <a href='https://github.com/freeCodeCamp/boilerplate-project-issuetracker/'>this repository</a> on GitHub! If you use Repl.it, remember to save the link to your project somewhere safe!
 </section>
@@ -22,6 +22,11 @@ Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp
 
 ```yml
 tests:
+  - text: I can provide my own project, not the example URL.
+    testString: |
+      getUserInput => {
+        assert(!/.*\/issue-tracker\.freecodecamp\.rocks/.test(getUserInput('url')));
+      }
   - text: I can POST /api/issues/{projectname} with form data containing required issue_title, issue_text, created_by, and optional assigned_to and status_text.
     testString: ''
   - text: The object saved (and returned) will include all of those fields (blank for optional no input) and also include created_on(date/time), updated_on(date/time), open(boolean, true for open, false for closed), and _id.

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/metric-imperial-converter.md

@@ -7,7 +7,7 @@ forumTopicId: 301570
 
 ## Description
 <section id='description'>
-Build a full stack JavaScript app that is functionally similar to this: <a href="https://metric-imperial-converter--freecodecamp.repl.co/" target="_blank">https://metric-imperial-converter--freecodecamp.repl.co/</a>.
+Build a full stack JavaScript app that is functionally similar to this: <a href="https://metric-imperial-converter.freecodecamp.rocks/" target="_blank">https://metric-imperial-converter.freecodecamp.rocks/</a>.
 Working on this project will involve you writing your code on Repl.it on our starter project. After completing this project you can copy your public Repl.it URL (to the homepage of your app) into this screen to test it! Optionally you may choose to write your project on another platform but it must be publicly visible for our testing.
 Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp/boilerplate-project-metricimpconverter">this link</a> or clone <a href='https://github.com/freeCodeCamp/boilerplate-project-metricimpconverter/'>this repository</a> on GitHub! If you use Repl.it, remember to save the link to your project somewhere safe!
 </section>
@@ -22,6 +22,11 @@ Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp
 
 ```yml
 tests:
+  - text: I can provide my own project, not the example URL.
+    testString: |
+      getUserInput => {
+        assert(!/.*\/metric-imperial-converter\.freecodecamp\.rocks/.test(getUserInput('url')));
+      }
   - text: 'I can GET /api/convert with a single parameter containing an accepted number and unit and have it converted. (Hint: Split the input by looking for the index of the first character which will mark the start of the unit)'
     testString: ''
   - text: I can convert <code>'gal'</code> to <code>'L'</code> and vice versa. (1 gal to 3.78541 L)

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/personal-library.md

@@ -7,7 +7,7 @@ forumTopicId: 301571
 
 ## Description
 <section id='description'>
-Build a full stack JavaScript app that is functionally similar to this: <a href="https://personal-library--freecodecamp.repl.co/" target="_blank">https://personal-library--freecodecamp.repl.co/</a>.
+Build a full stack JavaScript app that is functionally similar to this: <a href="https://personal-library.freecodecamp.rocks/" target="_blank">https://personal-library.freecodecamp.rocks/</a>.
 Working on this project will involve you writing your code on Repl.it on our starter project. After completing this project you can copy your public Repl.it URL (to the homepage of your app) into this screen to test it! Optionally you may choose to write your project on another platform but must be publicly visible for our testing.
 Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp/boilerplate-project-library/">this link</a> or clone <a href='https://github.com/freeCodeCamp/boilerplate-project-library/'>this repository</a> on GitHub! If you use Repl.it, remember to save the link to your project somewhere safe!
 </section>
@@ -22,6 +22,11 @@ Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp
 
 ```yml
 tests:
+  - text: I can provide my own project, not the example URL.
+    testString: |
+      getUserInput => {
+        assert(!/.*\/personal-library\.freecodecamp\.rocks/.test(getUserInput('url')));
+      }
   - text: I can post a title to /api/books to add a book and returned will be the object with the title and a unique _id.
     testString: ''
   - text: I can get /api/books to retrieve an array of all books containing title, _id, and commentcount.

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/sudoku-solver.md

@@ -6,7 +6,7 @@ challengeType: 4
 
 ## Description
 <section id='description'>
-Build a full stack JavaScript app that is functionally similar to this: <a href="https://sudoku-solver--freecodecamp.repl.co/" target="_blank">https://sudoku-solver--freecodecamp.repl.co/</a>.
+Build a full stack JavaScript app that is functionally similar to this: <a href="https://sudoku-solver.freecodecamp.rocks/" target="_blank">https://sudoku-solver.freecodecamp.rocks/</a>.
 
 Working on this project will involve you writing your code on Repl.it on our starter project. After completing this project you can copy your public Repl.it URL (to the homepage of your app) into this screen to test it! Optionally you may choose to write your project on another platform but it must be publicly visible for our testing.
 
@@ -23,6 +23,12 @@ Start this project on Repl.it using <a href="https://repl.it/github/freeCodeCamp
 
 ```yml
 tests:
+  - text: I can provide my own project, not the example URL.
+    testString: |
+      getUserInput => {
+        const url = getUserInput('url');
+        assert(!/.*\/sudoku-solver\.freecodecamp\.rocks/.test(getUserInput('url')));
+      }
   - text: I can enter a sudoku puzzle by filling in the text area with either a number or period (.) to represent an empty cell.
     testString: ''
   - text: When a valid number is entered in the text area, the same number is applied to the correct cell of the sudoku grid.